Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87. Before wiring spin the fan by hand to ensure free and unobstructed rotation.
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Twin thermo fan wiring diagram. The thermo switch should only be triggering the relays it should not be providing power to the fans. Thermatic switches davies craig offers four thermatic switches to suit various thermatic fan applications. Thats interesting about the fuse my davis craig fans use to melt the 30a glass fuses as well. The digital electronic thermatic switch part 0444. Heres some similar controllers. Page 3 of 4 thermo fan wiring posted in electrical.
They didnt blow they just warped and. This is based on the draw from the fans if the fans are larger and draw more than 15 amps each its recommended to install a second relay kit as shown below. 89 xj bmw dual temp switch 2 speed fan wiring duration. Chris craft 301204 views. Next splice together both black wires from the relays tab 85 and connect them to the thermostat switch. Then connect switched power usually from your ignition switch to the blue wires on both relays tab 86.
The only load on the thermo switch should be the relay trigger which is typically less than 02 amps per relay. How to wire up thermo fansdiagram hi all i have a landcruiser ute with a injected litre and have just mounted a 16inch thermo and have heard u should run a relay otherwise you will burn out switch and wiring anyone got any wiring diagrams 25 03 2008 0149 pm 2. Hey tiny what thermo fans are you using. Auto electric cooling fan wiring how to diy duration. Page 4 optional relay overrides temp sensor and turns on fans when ac is turned on battery 86 30 87 85 86. Not sure if it was the heat from the radiator that did it or there was way to much power going through it.
Filmed this while filming my last vlog and wanted to do a dedicated diy on how to wire an electronic fan controller. I do not understand why your thermo swtich was seeing the load from the fans. This one is a schurz. Suggested electric fan wiring diagrams page 1 these diagrams show the use of relays onoff sensors onoff switches and onoff fan controllers. This switch willoperate two thermatic fans either twin fans for the radiator core or one on the radiator. With dual cooling fans there are two methods for wiring up the relay kit.
Fan power and ground. Im just about to hook up my au twin thermos. Wiring dual cooling fans. Senior member join date feb 2007 location.
Gallery of Twin Thermo Fan Wiring Diagram
